Growing community of inventors

Hsinchu County, Taiwan

Chung-Yi Chang

Average Co-Inventor Count = 1.00

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 16

Chung-Yi ChangChung-Yi Chang (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sonar Auto Parts Co., Ltd. (8 from 96 patents)


8 patents:

1. 12092284 - Vehicle lamp having switching structure for low-beam and high-beam headlights

2. 11890984 - Vehicle lamp having switching structure for low-beam and high-beam headlights

3. 11852314 - Vehicle lamp having dipped and main beam headlight switching structure

4. 11828428 - Vehicle lamp structure

5. 11739900 - Vehicle lamp having switching structure for low-beam and high-beam headlights

6. D987863 - Lighting unit for vehicle light

7. D971462 - Lighting unit for vehicle light

8. 11047545 - Controllable vehicle lamp assembly

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as of
12/13/2025
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